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' American Environmental Network <br /> PAGE 8 <br /> t QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN ,JOB NO 9702244 <br /> 1 INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br />' Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 03/03/97 MW-9 01 94 <br /> 02/28/97 EB 02 96 <br /> 02/28/97 MW-2A 03 96 <br /> 02/28/97 TANK 04 96 <br /> QC Limits 70-130 <br /> DATE ANALYZED 02/28/97 <br /> SAMPLE SPIKED 9702244-01 <br /> INSTRUMENT F <br /> Matrix Spike Recovery Summary <br />' Spike QC Limits <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 18 5 94 5 85-109 17 <br /> Toluene 64 4 92 3 87-111 16 <br /> Hydrocarbons <br /> as Gasoline 500 99 4 66-117 19 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT *** <br />